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20101012110010 = 2513198138061583
BaseRepresentation
bin1001001001000001000011…
…01011111011101010111010
32122011122020002120100211101
410210200201223323222322
510113313333100010020
6110430135534122014
74143151550546266
oct444404153735272
978148202510741
1020101012110010
11644a878338397
12230786435030a
13b2a6956b0730
144d6c7389d0a6
1524cd17d9500a
hex124821afbaba

20101012110010 has 32 divisors (see below), whose sum is σ = 41015830383360. Its totient is φ = 7031285206848.

The previous prime is 20101012109989. The next prime is 20101012110019. The reversal of 20101012110010 is 1001121010102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (20101012110019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4069028322 + ... + 4069033261.

It is an arithmetic number, because the mean of its divisors is an integer number (1281744699480).

Almost surely, 220101012110010 is an apocalyptic number.

20101012110010 is an abundant number, since it is smaller than the sum of its proper divisors (20914818273350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20101012110010 is a wasteful number, since it uses less digits than its factorization.

20101012110010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8138061622.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20101012110010 its reverse (1001121010102), we get a palindrome (21102133120112).

The spelling of 20101012110010 in words is "twenty trillion, one hundred one billion, twelve million, one hundred ten thousand, ten".

Divisors: 1 2 5 10 13 19 26 38 65 95 130 190 247 494 1235 2470 8138061583 16276123166 40690307915 81380615830 105794800579 154623170077 211589601158 309246340154 528974002895 773115850385 1057948005790 1546231700770 2010101211001 4020202422002 10050506055005 20101012110010